3dc.dk

📜 Historical scan 2026-08-16 19:07:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3dc.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 19 December 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.94.103.218 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by 3dc-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 22ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 2ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.94.103.218	3600s	—	AS3292	TDC Holding A/S	83.94.96.0/19	🇩🇰 Denmark	Skovlunde

📧 MX Records#

1 records 2ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	3dc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::9 52.101.68.21 52.101.68.8 52.101.73.15 52.101.73.24	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 38ms

TXT Record
v=spf1 include:spf.hostnordic.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (3dc.dk)
-all (hard fail)	v=spf1 include:spf.hostnordic.com include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 07:53:55

www CNAME	3dc.dk (all on 3dc.dk) → 83.94.103.218 (AS3292)
www vs bare domain	Same network 3dc.dk: 83.94.103.218 (AS3292) www.3dc.dk: 83.94.103.218 (AS3292)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

118ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

Key type	Algorithm	Public key
KSK	ECDSA P-256/SHA-256	XZ4JPj6GtF8LmRp4bUFk9TdRUgiOZcpN3L47y/s3…

🏷️ SOA#

11ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 10:02:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-12-19
Expires	2027-10-28 (374d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

22ms

2ms

AAAA

9ms

TXT

38ms

CAA

6ms

HTTPS

26ms

TLSA

244ms

SOA

11ms

MTA-STS

2ms

DNSSEC

118ms

SRV

0ms

Total

6384ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:14:37	1153ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 19:07:44 shown	6384ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 05:18:04	1983ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:44:07	789ms	2 NS 1 A 1 MX	🔒 Secure